1.
40
( = 40 [ ] ).
= 50 [ ]. Cos φ = 0,5, U = 220 [ ]. C .
2.
, : 1 = 5 [ ]; os φ 1= 0,5, 2 = 10 [ ]; Cos φ 2= 0,6. U = 220 [ ]. C .
3.
S = 10 [ ] = 5 [ ]. U = 220 [ ]. ( ) = 500 [ ] ( 12.1).
(S ) (s φ ) .
.
R L
|
C
12.1 - (RL)